diff --git a/frontend/styles.css b/frontend/styles.css
index 6cebb33..dc3ea85 100644
--- a/frontend/styles.css
+++ b/frontend/styles.css
@@ -3267,6 +3267,7 @@ body {
     --accent-color: #667eea;
     --calendar-bg: white;
     --calendar-border: #f0f0f0;
+    --calendar-border-light: #f8f8f8;
     --calendar-day-bg: white;
     --calendar-day-hover: #f8f9ff;
     --calendar-day-prev-next: #fafafa;
@@ -3300,6 +3301,7 @@ body {
     --accent-color: #2196F3;
     --calendar-bg: #ffffff;
     --calendar-border: #bbdefb;
+    --calendar-border-light: #e3f2fd;
     --calendar-day-bg: #ffffff;
     --calendar-day-hover: #e1f5fe;
     --calendar-day-prev-next: #f3f8ff;
@@ -3342,6 +3344,7 @@ body {
     --accent-color: #4CAF50;
     --calendar-bg: #ffffff;
     --calendar-border: #c8e6c9;
+    --calendar-border-light: #e8f5e8;
     --calendar-day-bg: #ffffff;
     --calendar-day-hover: #f1f8e9;
     --calendar-day-prev-next: #f9fbe7;
@@ -3384,6 +3387,7 @@ body {
     --accent-color: #FF9800;
     --calendar-bg: #ffffff;
     --calendar-border: #ffe0b2;
+    --calendar-border-light: #fff3e0;
     --calendar-day-bg: #ffffff;
     --calendar-day-hover: #fff8e1;
     --calendar-day-prev-next: #fffde7;
@@ -3426,6 +3430,7 @@ body {
     --accent-color: #9C27B0;
     --calendar-bg: #ffffff;
     --calendar-border: #ce93d8;
+    --calendar-border-light: #f3e5f5;
     --calendar-day-bg: #ffffff;
     --calendar-day-hover: #f8e9fc;
     --calendar-day-prev-next: #fce4ec;
@@ -3468,6 +3473,7 @@ body {
     --accent-color: #666666;
     --calendar-bg: #1f1f1f;
     --calendar-border: #333333;
+    --calendar-border-light: #2a2a2a;
     --calendar-day-bg: #1f1f1f;
     --calendar-day-hover: #2a2a2a;
     --calendar-day-prev-next: #1a1a1a;
@@ -3520,6 +3526,7 @@ body {
     --accent-color: #E91E63;
     --calendar-bg: #ffffff;
     --calendar-border: #f8bbd9;
+    --calendar-border-light: #fce4ec;
     --calendar-day-bg: #ffffff;
     --calendar-day-hover: #fdf2f8;
     --calendar-day-prev-next: #fef7ff;
@@ -3562,6 +3569,7 @@ body {
     --accent-color: #26A69A;
     --calendar-bg: #ffffff;
     --calendar-border: #b2dfdb;
+    --calendar-border-light: #e0f2f1;
     --calendar-day-bg: #ffffff;
     --calendar-day-hover: #f0fdfc;
     --calendar-day-prev-next: #f7ffff;